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Calcite & Todorokite

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BCK692247

Calcite & Todorokite

George Elling collection
Classic Locality

Description Tabs

Description
Locality: 
Sterling Mine, Ogdensburg, Sussex County, New Jersey, United States of America
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
11.5 × 8.2 × 6.8 cm
Description

You are bidding on a very large sample that is hosting a large vug of poker chip calcite crystals on a surface of todorokite/chalcophanite matrix from the Mud Zone at Sterling Hill. This is an unusually large and old calcite from Sterling Hill from the Fred Parker and George Elling collections. 

Mineral Data
What's on the rock

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

Todorokite

Formula: 
(Ca,K,Na,Mg,Ba,Mn)(Mn,Mg,Al)6O12·3H2O
Strunz: 
4.DK.10
Hardness: 
1.5
Type Locality: 
Todoroki mine, Yoichi, Shiribeshi Province, Hokkaido, Japan

Seller Information

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